/* =========================================================
   Diplomado Marketing Digital UES — estilos
   Paleta institucional UES (azul / blanco / dorado)
   ========================================================= */
:root{
  --azul:#7c1d2b;        /* guinda UES (nombre interno conservado) */
  --azul-osc:#591019;    /* guinda oscuro */
  --azul-claro:#a23a48;  /* guinda claro */
  --dorado:#d4a017;
  --gris-bg:#f4f6f9;
  --gris:#e6eaef;
  --gris-txt:#5a6472;
  --txt:#1d2733;
  --blanco:#ffffff;
  --verde:#1f9d57;
  --rojo:#d23b3b;
  --sombra:0 6px 24px rgba(10,77,140,.10);
  --radio:14px;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Segoe UI',Roboto,system-ui,-apple-system,sans-serif;
  color:var(--txt);background:var(--blanco);line-height:1.6;
}
a{color:var(--azul);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
section{padding:64px 0}
.muted{color:var(--gris-txt)}
.center{text-align:center}

/* ---------- Botones ---------- */
.btn{
  display:inline-block;padding:14px 28px;border-radius:50px;border:0;cursor:pointer;
  font-weight:700;font-size:1rem;transition:.2s;text-align:center;
}
.btn-primary{background:var(--dorado);color:#3a2c00}
.btn-primary:hover{background:#e6af1f;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--azul)}
.btn-light:hover{background:#eef4fb}
.btn-block{display:block;width:100%}
.btn-sm{padding:8px 16px;font-size:.9rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--gris);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--azul)}
.brand img{height:46px;width:auto}
.nav a{margin-left:22px;color:var(--txt);font-weight:600}
.nav a:hover{color:var(--azul)}
@media(max-width:780px){.nav{display:none}}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(135deg,var(--azul) 0%,var(--azul-osc) 100%);
  color:#fff;padding:84px 0;position:relative;overflow:hidden;
}
.hero:after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(212,160,23,.25),transparent 70%);
}
.hero h1{font-size:2.7rem;margin-bottom:.3em}
.hero p.lead{font-size:1.25rem;opacity:.95;max-width:640px}
.hero .pill{
  display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);
  padding:6px 16px;border-radius:50px;font-size:.9rem;margin-bottom:18px;font-weight:600;
}
.hero .cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:680px){.hero h1{font-size:2rem}}

/* ---------- Grid de módulos ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr}}

.card{
  background:#fff;border:1px solid var(--gris);border-radius:var(--radio);
  padding:26px;box-shadow:var(--sombra);
}
.modulo .num{
  width:42px;height:42px;border-radius:12px;background:var(--azul);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px;
}
.modulo h3{font-size:1.15rem}
.modulo ul{margin:.4em 0 0;padding-left:1.1em;color:var(--gris-txt)}
.modulo ul li{margin:.2em 0}

/* ---------- Grupos ---------- */
.grupo-card{position:relative;display:flex;flex-direction:column}
.grupo-card .estado{
  position:absolute;top:18px;right:18px;font-size:.75rem;font-weight:700;
  padding:4px 12px;border-radius:50px;text-transform:uppercase;letter-spacing:.5px;
}
.estado.abierto{background:#e3f6ec;color:var(--verde)}
.estado.cerrado,.estado.finalizado{background:#fde8e8;color:var(--rojo)}
.estado.en_curso{background:#fff3d6;color:#9a7400}
.grupo-card h3{color:var(--azul)}
.grupo-meta{margin:14px 0;display:grid;gap:8px}
.grupo-meta div{display:flex;gap:8px;color:var(--gris-txt);font-size:.95rem}
.grupo-meta strong{color:var(--txt)}

/* ---------- Precios ---------- */
.precio-box{
  background:linear-gradient(135deg,#fff,#f0f6fc);border:2px solid var(--azul);
  border-radius:var(--radio);padding:34px;text-align:center;
}
.precio-grande{font-size:3rem;font-weight:800;color:var(--azul);line-height:1}
.precio-grande small{font-size:1rem;color:var(--gris-txt);font-weight:600}
.precio-detalle{list-style:none;padding:0;margin:22px 0;text-align:left}
.precio-detalle li{
  display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--gris);
}
.precio-detalle li strong{color:var(--azul)}
.aviso{
  background:#fff8e6;border-left:4px solid var(--dorado);padding:14px 18px;
  border-radius:8px;margin-top:18px;font-size:.95rem;
}

/* ---------- Pasos / cómo funciona ---------- */
.pasos{counter-reset:paso}
.paso{display:flex;gap:16px;align-items:flex-start;margin-bottom:18px}
.paso .ico{
  min-width:46px;height:46px;border-radius:12px;background:var(--gris-bg);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;
}

/* ---------- Formulario ---------- */
.form-wrap{background:var(--gris-bg);}
.form-card{background:#fff;border-radius:var(--radio);box-shadow:var(--sombra);padding:34px;max-width:680px;margin:0 auto}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field .req{color:var(--rojo)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid #cfd6e0;border-radius:10px;font-size:1rem;font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--azul);box-shadow:0 0 0 3px rgba(10,77,140,.12);
}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.row-2{grid-template-columns:1fr}}
.hp{position:absolute;left:-9999px}            /* honeypot anti-spam */
.help{font-size:.85rem;color:var(--gris-txt);margin-top:4px}

/* ---------- Alertas ---------- */
.alert{padding:14px 18px;border-radius:10px;margin-bottom:16px;font-weight:600}
.alert.ok{background:#e3f6ec;color:#136b3a;border:1px solid #b6e4c9}
.alert.error{background:#fde8e8;color:#9b2222;border:1px solid #f3c2c2}

/* ---------- Footer ---------- */
.site-footer{background:var(--azul-osc);color:#cdd9e8;padding:40px 0;font-size:.95rem}
.site-footer a{color:#fff}
.site-footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px}

/* =========================================================
   PANEL ADMIN
   ========================================================= */
.admin-body{background:var(--gris-bg);min-height:100vh;display:flex}
.sidebar{
  width:248px;background:var(--azul-osc);color:#dce6f2;min-height:100vh;
  position:fixed;top:0;left:0;display:flex;flex-direction:column;
}
.sidebar .logo{padding:22px 20px;font-weight:800;color:#fff;border-bottom:1px solid rgba(255,255,255,.1);display:flex;gap:10px;align-items:center}
.sidebar .logo img{height:34px}
.sidebar nav{padding:12px 10px;flex:1}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;color:#cdd9e8;padding:11px 14px;
  border-radius:10px;margin-bottom:4px;font-weight:600;font-size:.95rem;
}
.sidebar nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sidebar nav a.active{background:var(--dorado);color:#3a2c00}
.sidebar .foot{padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem}
.admin-main{margin-left:248px;flex:1;padding:28px 32px;width:calc(100% - 248px)}
@media(max-width:820px){
  .sidebar{width:64px}
  .sidebar .logo span,.sidebar nav a span,.sidebar .foot{display:none}
  .admin-main{margin-left:64px;width:calc(100% - 64px);padding:18px}
}
.admin-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.admin-head h1{font-size:1.6rem;margin:0;color:var(--azul-osc)}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:26px}
.kpi{background:#fff;border-radius:var(--radio);padding:20px;box-shadow:var(--sombra);border-left:4px solid var(--azul)}
.kpi .n{font-size:2rem;font-weight:800;color:var(--azul-osc)}
.kpi .l{color:var(--gris-txt);font-size:.9rem;font-weight:600}
.kpi.verde{border-color:var(--verde)}.kpi.verde .n{color:var(--verde)}
.kpi.dorado{border-color:var(--dorado)}.kpi.dorado .n{color:#9a7400}
.kpi.rojo{border-color:var(--rojo)}.kpi.rojo .n{color:var(--rojo)}

/* Tablas */
.panel{background:#fff;border-radius:var(--radio);box-shadow:var(--sombra);padding:0;overflow:hidden;margin-bottom:24px}
.panel .panel-head{padding:16px 20px;border-bottom:1px solid var(--gris);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.panel .panel-head h2{font-size:1.1rem;margin:0}
.tabla{width:100%;border-collapse:collapse}
.tabla th,.tabla td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--gris);font-size:.92rem}
.tabla th{background:#f7f9fc;color:var(--gris-txt);font-weight:700;text-transform:uppercase;font-size:.78rem;letter-spacing:.4px}
.tabla tr:last-child td{border-bottom:0}
.tabla tbody tr:hover{background:#f7faff}
.tabla .acciones{display:flex;gap:6px;flex-wrap:wrap}

/* Badges de estado */
.badge{display:inline-block;padding:4px 11px;border-radius:50px;font-size:.78rem;font-weight:700}
.badge.gris{background:var(--gris);color:var(--gris-txt)}
.badge.azul{background:#e1edfa;color:var(--azul)}
.badge.verde{background:#e3f6ec;color:var(--verde)}
.badge.dorado{background:#fff3d6;color:#9a7400}
.badge.rojo{background:#fde8e8;color:var(--rojo)}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--azul),var(--azul-osc));padding:20px}
.login-card{background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:40px;width:100%;max-width:400px}
.login-card .logo{text-align:center;margin-bottom:20px}
.login-card .logo img{height:60px;margin:0 auto}
.login-card h1{font-size:1.4rem;text-align:center;color:var(--azul-osc)}

/* Filtros */
.filtros{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:18px}
.filtros .field{margin:0}
.filtros input,.filtros select{padding:9px 12px;border:1px solid #cfd6e0;border-radius:8px}

.text-right{text-align:right}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.mt{margin-top:18px}.mb{margin-bottom:18px}